BUSINESS SEGMENTS - Depreciation, Amortization And Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Segment depreciation and amortization	$ 15,085	$ 12,958
CAPITAL EXPENDITURES	8,397	10,785
Home And Building Products [Member]
Segment Reporting Information [Line Items]
Segment depreciation and amortization	12,315	10,133
CAPITAL EXPENDITURES	7,145	6,658
Telephonics [Member]
Segment Reporting Information [Line Items]
Segment depreciation and amortization	2,636	2,719
CAPITAL EXPENDITURES	1,234	1,943
Operating Segments [Member]
Segment Reporting Information [Line Items]
Segment depreciation and amortization	14,951	12,852
CAPITAL EXPENDITURES	8,379	8,601
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Segment depreciation and amortization	134	106
CAPITAL EXPENDITURES	$ 18	$ 2,184

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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